Phoenix: a cryogenic high-resolution 1- to 5-um infrared spectrograph

Kenneth Harry Hinkle; Randy W. Cuberly; Neil A. Gaughan; Julie B. Heynssens; Richard R. Joyce; Stephen T. Ridgway; Paul Schmitt; Jorge E. Simmons

doi:10.1117/12.317217

21 August 1998 Phoenix: a cryogenic high-resolution 1- to 5-μm infrared spectrograph

Kenneth Harry Hinkle, Randy W. Cuberly, Neil A. Gaughan, Julie B. Heynssens, Richard R. Joyce, Stephen T. Ridgway, Paul Schmitt, Jorge E. Simmons

Author Affiliations +

Proceedings Volume 3354, Infrared Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.317217
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

We describe a cryogenic, high-resolution spectrograph (Phoenix) for the 1-5 micrometers region. Phoenix is an echelle spectrograph of the near-Littrow over-under configuration without cross dispersion. The foreoptics include Lyot re- imaging, discrete and circular variable order sorting filters, a selection of slits, and optics for post-slit and Lyot imaging. The entire instrument is cooled to 50 K using two closed cycle coolers. The detector is a Hughes-Santa Barbara 512 X 1024 InSb array. Resolution of 65,000 has been obtained. Throughput without slit losses is 13 percent at 2.3 micrometers . Recent results are discussed. Phoenix is a facility instrument of the National Optical Astronomy Observatories and will be available at CTIO, KPNO, and Gemini.

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Kenneth Harry Hinkle, Randy W. Cuberly, Neil A. Gaughan, Julie B. Heynssens, Richard R. Joyce, Stephen T. Ridgway, Paul Schmitt, and Jorge E. Simmons "Phoenix: a cryogenic high-resolution 1- to 5-μm infrared spectrograph", Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); https://doi.org/10.1117/12.317217

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